Biology · KS3 Y8 · Cells & Organisation
Root hair cells
b86Free1:58Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- Root hair cells have a large surface area for absorbing water and minerals
- They have many mitochondria to supply energy for active transport
- Soil holds minerals at lower concentration than the cell, so diffusion alone would not work
In this clip
0:00–2:50Active transportgcse-biol-4-1-3-3Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.2/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
- Spec-true · not judged yet. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · not judged yet. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
A short GCSE lesson on active transport, using root hair cells as the example.
Cognito on YouTubechecked 2026-10-16